The business model they have set up for this is brilliant imho. They make the raids really tough so the people that are dead set on getting the bosses down first have a tough competition to see who can get them down. You get a few guilds on each server that can clear the endgame content and can show off all that new gear. As the release of the new endgame content gets closer they make it easier so the less hardcore guilds (and even eventually pugs) can have a chance to see it and maybe clear it before it becomes old news. Then the new dungeon comes out and the hardcore people are back to trying to get server firsts. It's a win/win. Hardcore people get to brag, softcore people get to eventually see the content also. What's the point of spending all those hours writing content that only about 20% of the population would ever get to see. I love playing the game but i'm not in to hard core raiding. If it wasn't for this process i would never get to see endgame content.